Window.length
Summary
Returns the number of frames (either <frame> or <iframe> elements) in the window.
Syntax
JavaScript
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framesCount = window.length;
framesCountis the number of frames.
Example
JavaScript
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if (window.length) { // this is a document with subframes }
Specification
| Specification | Status | Comment |
|---|---|---|
| WHATWG HTML Living Standard The definition of 'Window.length' in that specification. |
Living Standard |
License
© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/window/length